68581726 has 8 divisors (see below), whose sum is σ = 103871664. Its totient is φ = 33957840.

The previous prime is 68581691. The next prime is 68581729. The reversal of 68581726 is 62718586.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×68581726² = 9406906282278152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68581729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166255 + ... + 166666.

It is an arithmetic number, because the mean of its divisors is an integer number (12983958).

Almost surely, 2^68581726 is an apocalyptic number.

68581726 is a deficient number, since it is larger than the sum of its proper divisors (35289938).

68581726 is a wasteful number, since it uses less digits than its factorization.

68581726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333026.

The product of its digits is 161280, while the sum is 43.

The square root of 68581726 is about 8281.4084550878. The cubic root of 68581726 is about 409.3261308019.

The spelling of 68581726 in words is "sixty-eight million, five hundred eighty-one thousand, seven hundred twenty-six".